/*
 要初始化的样式有：
 1. padding、margin都是0；
 2. 链接标签 a 的下划线 text-decoration样式要去除，还有 color字体颜色；
 3. ul、ol、li标签的list-style 黑点等要去除；
 4. 整个body的字体类型font-family、html的字体大小font-size，后面的元素字体参照html的rem来设置font-size；
 
 */

blockquote,
body,
button,
dd,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
input,
legend,
li,
ol,
p,
pre,
td,
textarea,
th,
ul {
	margin: 0;
	padding: 0;
	
}

body,
button,
input,
select,
textarea {
	font: 12px/1.5 "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
	font-size: 17px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-size: 100%
}

address,
cite,
dfn,
em,
var {
	font-style: normal
}

code,
kbd,
pre,
samp {
	font-family: courier new, courier, monospace;
}

small {
	font-size: 12px;
}

ol,
ul {
	list-style: none;
}

a {
	text-decoration: none;
	color: black;
	-webkit-tap-highlight-color: transparent;
	/*清除点击链接标签a时出现的高亮背景色*/
}
sup {
	vertical-align: text-top
}

sub {
	vertical-align: text-bottom
}

legend {
	color: #000
}

fieldset,
img {
	border: 0
}

button,
input,
select,
textarea {
	font-size: 100%
	border: none;
	outline: none;
}

button {
	border-radius: 0
}

table {
	border-collapse: collapse;
	border-spacing: 0
}